#include<bits/stdc++.h>
using namespace std;
//#define int long long
const int N=1e5+10;
int n,a[N],cnt[N],ans;
signed main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        cnt[a[i]]++;
        ans=max(ans,cnt[a[i]]);
    }
    cout<<ans;
    return 0;
}
